Publications of M. Köppen

Journal Article (20)

1.
Journal Article
Wolf, R. C.; Ali, A.; Alonso, A.; Baldzuhn, J.; Beidler, C. D.; Beurskens, M.; Biedermann, C.; Bosch, H.-S.; Bozhenkov, S.; Brakel, R. et al.: Major results from the first plasma campaign of the Wendelstein 7-X stellarator. Nuclear Fusion 57, 102020 (2017)
2.
Journal Article
Bykov, V.; Fellinger, J.; Schauer, F.; Carls, A.; Köppen, M.; Eeten, P. v.; Bosch, H.-S.; Wegener, L.; Zhu, J.: Structural Analysis at the Transition from W7-X Construction to Operation. IEEE Transactions on Plasma Science 44 (9, Part 1), pp. 1722 - 1730 (2016)
3.
Journal Article
Bykov, V.; Fellinger, J.; Egorov, K.; Schauer, F.; Köppen, M.; Jenzsch, H.: Sliding weight supports for W7-X magnet system: structural aspects. Nuclear Fusion 55, 053002 (2015)
4.
Journal Article
Endler, M.; Brucker, B.; Bykov, V.; Cardella, A.; Carls, A.; Dobmeier, F.; Dudek, A.; Fellinger, J.; Geiger, J.; Grosser, K. et al.: Engineering design for the magnetic diagnostics of Wendelstein 7-X. Fusion Engineering and Design 100, pp. 468 - 494 (2015)
5.
Journal Article
Bykov, V.; Fellinger, J.; Schauer, F.; Köppen, M.; Egorov, K.; Eeten, P. v.; Dudek, A.; Andreeva, T.: Specific Features of Wendelstein 7-X Structural Analyses. IEEE Transactions on Plasma Science 42 (3), pp. 690 - 697 (2014)
6.
Journal Article
Peng, X. B.; Hirsch, M.; Köppen, M.; Fellinger, J.; Bykov, V.; Schauer, F.; Vliegenthart , W.: Thermo-mechanical behavior of retro-reflector and resulting parallelism error of laser beams for Wendelstein 7-X interferometer. Fusion Engineering and Design 89 (4), pp. 318 - 323 (2014)
7.
Journal Article
Bosch, H.-S.; Wolf, R.; Andreeva, T.; Baldzuhn, J.; Birus, D.; Bluhm, T.; Bräuer, T.; Braune, H.; Bykov, V.; Cardella, A. et al.: Technical challenges in the construction of the steady-state stellarator Wendelstein 7-X. Nuclear Fusion 53, 126001 (15pp) (2013)
8.
Journal Article
Carls, A.; Köppen, M.; Fellinger, J.; Schauer, F.: Protection of W7-X diagnostics from radiation heat loads. Fusion Engineering and Design 88 (6-8), pp. 1433 - 1436 (2013)
9.
Journal Article
Freundt, S.; Dudek, A.; Köppen, M.; Bykov, V.; Egorov, K.; Fellinger, J.; Riße, K.: FE analyses and tests in support of Wendelstein 7-X trim coil development. Fusion Engineering and Design 88 (9-10), pp. 1589 - 1592 (2013)
10.
Journal Article
Köppen, M.; Oberkofler, M.; Riesch, J.; Schmid, K.; Vollmer, A.; Linsmeier, C.: Quantitative depth-resolved photoelectron spectroscopy analysis of the interaction of energetic oxygen ions with the beryllium–tungsten alloy Be2W. Journal of Nuclear Materials 438, pp. S766 - S770 (2013)
11.
Journal Article
Peng, X.; Bykov, V.; Köppen, M.; Ye, M.; Fellinger, J.; Peacock, A.; Smirnow, M.; Boscary, J.; Tereshchenko, A.; Schauer, F.: Thermo-mechanical analysis of Wendelstein 7-X plasma facing components. Fusion Engineering and Design 88 (9-10), pp. 1727 - 1730 (2013)
12.
Journal Article
Riße, K.; Rummel, T.; Freundt, S.; Dudek, A.; Renard, S.; Bykov, V.; Köppen, M.; Langish, S.; Neilson, G. H.; Brown, T. et al.: Design and manufacturing status of trim coils for the Wendelstein 7-X stellarator experiment. Fusion Engineering and Design 88 (9-10), pp. 1518 - 1522 (2013)
13.
Journal Article
Rummel, T.; Riße, K.; Kißlinger, J.; Köppen, M.; Füllenbach, F.; Neilson, H.; Brown, T.; Ramakrishnan, S.: The trim coils for the Wendelstein 7-X magnet system. IEEE Transactions on Applied Superconductivity 22 (3), 4201704 (2012)
14.
Journal Article
Köppen, M.; Hirsch, M.; Ernst, J.; Vliegenthart, W. A.; Ye, M. Y.; Bykov, V.; Schauer, F.: Thermo-mechanical analysis of retro-reflectors for interferometry and polarimetry in W7-X. Fusion Engineering and Design 86 (6-8), pp. 1166 - 1169 (2011)
15.
Journal Article
Riße, K.; Rummel, T.; Ehrke, G.; Köppen, M.: Design, Tests, and Repair Procedures for the Electrical Insulation of the Superconducting W7-X Magnets. IEEE Transactions on Applied Superconductivity 20 (3), pp. 447 - 450 (2010)
16.
Journal Article
Schauer, F.; Wobig, H.; Egorov, K.; Bykov, V.; Köppen, M.: Extrapolation of the W7-X Magnet System to Reactor Size. Contributions to Plasma Physics 50 (8), pp. 750 - 755 (2010)
17.
Journal Article
Köppen, M.; Kißlinger, J.; Rummel, T.; Mönnich, T.; Schauer, F.; Bykov, V.: Simulations of W7-X magnet system fault scenarios involving short circuits. Fusion Engineering and Design 84 (7-11), pp. 1104 - 1107 (2009)
18.
Journal Article
Rummel, T.; Mönnich, T.; Köppen, M.; Harmeyer, E.: Final tests of the power supply system for the W7-X superconducting magnet system. Fusion Engineering and Design 84 (7-11), pp. 1658 - 1661 (2009)
19.
Journal Article
Ehmler, H.; Köppen, M.: AC modeling and impedance spectrum tests of the superconducting magnetic field coils for the Wendelstein 7-X fusion experiment. Review of Scientific Instruments 78 (10), 104705 (2007)
20.
Journal Article
Köppen, M.; Kißlinger, J.: Simulation of Voltage and Current Development in the Wendelstein 7-X Coil System Taking into Account Fault Conditions. Fusion Engineering and Design 82, pp. 1549 - 1554 (2007)
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